January 01, 2013
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Dina Rudick / Globe Staff
The crowd chanted "it's not that cold" before racing into the water at Dorchester Bay for the annual L Street Brownies Polar Bear Swim.
Participants take the frigid plunge for fun and to raise money for a variety of causes.
The swim is sponsored by the City of Boston, Boston Centers for Youth and Families, Curley Community Center, and the L Street Brownies.
Creative outfits were plentiful at the plunge.
Some swimmers wore more covering than others.
The water temperature was just over 40 degrees.
The event derives from a Northern European tradition and was exported to South Boston in 1901.